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  1. #46
    Join Date
    Jul 2008
    Location
    Willunga, Adelaide, South Australia
    Posts
    196

    Default

    Mike, I have attached a jpg, a .crv file, and a .tap file for my spindle hangers.
    If you decide to use this, you just have to change the spindle hole size - my setup is for a 65mm diam spindle - I am not sure what diameter yours is.
    If you want to follow this and are having difficulties, just pm me the sze of your spindle and the width of the backing plate, and I can alter the .tap file for you.
    Cheers
    Noel

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  3. #47
    Join Date
    Jul 2008
    Location
    Willunga, Adelaide, South Australia
    Posts
    196

    Default

    Mike
    Just to provide a visual for you, I have attached a photo of my spindle/clamps.
    Cheers
    Noel

  4. #48
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    Psycopig7,
    Which CNC site do you mean? I did both this site and CNC zone, with no luck.
    cheers
    rosco

  5. #49
    Join Date
    Jul 2008
    Location
    Willunga, Adelaide, South Australia
    Posts
    196

    Default

    rosco
    It was CNC zone.
    I will try to find the post again for you.
    Cheers
    Noel

  6. #50
    Join Date
    Jul 2008
    Location
    Willunga, Adelaide, South Australia
    Posts
    196

    Default

    Rosco
    The post was on cnczone by David da Costa - he has much to say about these Chinese vfd's.
    Try this address for starters. http://cnczone.com/forums/search.php?searchid=3744649
    You might have totrawl through his articles.
    Cheers
    Noel

  7. #51
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    Thanks for that input Psycopig7. I have tried PM'ing him. The link you supplied didn't work(I think its my computer on Vista) Really appreciate it.
    cheers
    rosco

  8. #52
    Join Date
    Jul 2008
    Location
    Willunga, Adelaide, South Australia
    Posts
    196

    Default

    Rosco
    Try emailing this person, he seems to know an awful lot about these issues.
    Andrew Young [[email protected]].
    Cheers
    Noel

  9. #53
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    Thanks for the files/pic Noel, but i don't see them attached in your PM?? Maybe the extensions were not allowed as a post?

    Your machine is like mine (65mm). I will go through it tonight and hopefully run my 1st proper job on my NEW X4.

    Mark, thats a very clever way of making a mounting. As you mentioned it has to be thick ali (25mm) to allow for the bolt holes.

  10. #54
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default Spindle mount

    Thanks Mike

    We'll see how well it works. I've got the 25mm plate lying around but it is getting close as you say as the biggest bolt that will fit is a M5. I'll use M8's from the back of the Z slide to mount the clamps to the U channel that makes up my Z axis. Might pin it aswell.

    Means I'll have to go out and buy another counter boring tool also as I only have M8 and M6 sizes.Should have plenty of thread depth though so M5's should be ok. Push comes to shove, I'll helicoil them also to get better pull out strength.

    Cheers

    Mark

  11. #55
    Join Date
    Jun 2009
    Location
    Brisbane
    Posts
    47

    Default

    Thanks Psycopig7!
    It has proven to be a that the VFD is faulty, with it producing an error randomly. Even when the VFD is not making the spindle run. It seems to be heat related as well. If it cools overnight, then in the morning, it will produce an error, then leave it turned on for an hour or 2 and then repower it, and it will be O.K. for 10mins, maybe 2 hours. I would say its probably a bad capacitor or dry joint in it somewhere...
    I appreciate your input. I hope that I can return the favour some time.
    cheers
    rosco

  12. #56
    Join Date
    Jul 2008
    Location
    Willunga, Adelaide, South Australia
    Posts
    196

    Default

    Rosco
    What you are describing seems to be an over-current error.
    I have added a copy of emails from david da Costa on this subject. You will see that when he checked his terminals - on the soindle- he found different current ratings/ohms, indicating that the soindle was kaput!.
    Sounds like yours might be the same.
    Copy of emails:
    Hi Noel,

    What frequency were you running it at ? These spindles require 400Hz to spin at the rated speed of 24,000RPM and have a minimum frequency of 100HZ (6,000RPM) for cooling reasons.

    -Andrew.
    2009/5/13 Noel Biggins <[email protected]>
    Hi guys
    I also recently purchased a 1.5kw air-cooled spindle and VFD inverter from Aoran.
    I have just had it wired up by an electrician, but when we started the motor, it ran slowly for about 45 seconds, got very hot, and smoke started coming from the motor housing.
    We stopped everything and allowed the motor to cool. We then checked all the wiring, which was correct.
    We also checked the terminals on the motor and got 7.6 ohms on each terminal.
    We also checked the current and voltage settings in the inverter to ensure that they match with those in the manual paperwork, which they did.
    We then tried again, but with the same results – the motor ran slowly, and started to get very hot again.
    We then stopped everything and again checked the terminals for the motor windings – each one read around 8 ohms.
    At this stage, the electrician is stumped and does not know what to suggest.
    Could you please put your mind/ thoughts to this problem and advise if you can.
    Very puzzled.
    Cheers
    Noel


    From: Andrew Young [mailto:[email protected]]
    Sent: Tuesday, 5 May 2009 6:42 AM
    To: Arowana Lee
    Cc:
    [email protected]; [email protected]; [email protected]; [email protected]; Aoran Bai; [email protected]; Biggins Noel; [email protected]; Reyes Noel; [email protected]

    Subject: Re: wardend52 has sent a question about item #370177729711, that ended on 22-Apr-09 23:26:58 AEST - AIR-COOLE MOTOR SPINDLE 1.5KW AND MATCHING INVERTER t

    Hi Arowana,

    I'm not the seller, Aoran is.

    I took apart my 1.5KW VFD to find out something else (Earthing related.), but when I did I noticed that the braking resistor is not even connected. (It may only be on the more powerful versions.) For small spindles I don't think any is required. My spindle seems to stop pretty quickly as it is.

    I'm not sure on the exact water flow as mine is air cooled, but a few people on cnczone.com are using quite a low water flow with great success:
    http://cnczone.com/forums/showpost.php?p=604410&postcount=144

    -Andrew.
    2009/5/4 Arowana Lee <[email protected]>
    Hi Andrew,
    waiting package from you and have a question, on english manual, basic connection diagram have a parts is braking resistor, what spec. required ? i also looking for water-cooled spindle, how many water flow bump required, thanks a lot

    Arowana
    ----------
    熱鬧中看一冷眼,便省許多苦心思,冷落處存一熱心,便得許多真趣味

    On 4 May 2009, at 3:03 PM, Andrew Young wrote:

    David,

    According to the member 'David Da Costa' on cnczone.com, it's an over current error. I'd guess this is because of the low winding resistances.

    -Andrew.

    PS: I'm hitting "reply to all" in case anybody else needs this information, just say if you don't want to be included in this conversation.

    2009/5/4 <[email protected]>

    Hi Andrew,

    Many thanks for your email.
    I checked the resistance of the cable between the motor connector and the controller and it measures 0 ohms for each conductor. I checked the resistance on the motor again and if you measure between pin 1 - 2 the resistance is 1.1 ohms. Then when you measure between pin 1 - 3 the resistance is 1.0 ohms. Now if you measure between pin 2 - 3 the resistance is 0.5 ohms. I haven't tried the earthing of the motor although I don't think it will make any difference. I will add this modification to the wiring though as it will protect against any internal shorting of the motor to the motor frame.

    For your interest I have connected pins 1, 2, and 3 of the connector to the 'U', 'V', 'W' Terminals of the controller respectively. By the way have you ant idea what the message EOCA signifies?


    David








    Andrew Young <[email protected]>
    04/05/2009 09:27 AM
    To
    [email protected]
    cc
    Aoran Bai <[email protected]>, [email protected], [email protected], [email protected], [email protected], "[email protected]" <[email protected]>, Biggins Noel <[email protected]>, [email protected], Reyes Noel <[email protected]>, [email protected]
    Subject
    Re: wardend52 has sent a question about item #370177729711, that ended on 22-Apr-09 23:26:58 AEST - AIR-COOLE MOTOR SPINDLE 1.5KW AND MATCHING INVERTER t





    Hi David,

    The resistance of each winding on my 1.5KW spindle was around 7Ohms so I think that would be your problem. Is the resistance of each winding the same or is it only one which is low ? Could it be the wiring which you have done inside of the connector - It wouldn't hurt to double check that. (You can just disconnect the connector from the spindle and then measure the resistance of the wire - It should be 0Ohms.

    Also I'd advise earthing the body of the motor as it is not connected to the shell of the connector. I have my earth cable exiting the cable before the connector and it's terminated by it's own spade connector. This is then connected to the body through a pipe earth clamp. (I will tie it to the mounting block instead when I get one made.) I also loop a wire black to the connector to earth it but when I switch to shielded wire the shielding will earth the connector for me.

    I've attached a picture of my earthing setup.

    -Andrew.

    2009/5/3 <
    [email protected]>

    Aoran,

    Many thanks for your email. I completed the factory reset then programmed the maximum rpm values (400) to PD 5, 4, 3 as described. When I pressed the run button I had the message EOCA appear on the display. I assume its an error response although its not in the section of manual you provided. I have included a photo of the wiring and the fault message. I also checked the UVW output with and without the motor connected. With the motor connected the voltage measured across any two of the motor windings before pressing run, is Zero (0V), on pressing run the voltage rises to around 5V before going to 0V.

    With the motor disconnected the voltage measured across any two of the motor windings before pressing run, is Zero (0V), on pressing run the voltage rises to around 280V when set to 400Hz and around 160V when set to 200Hz. Which I think suggests something is not quite right with the motor. For completeness I measured a resistance between the motor windings of 1 ohm. Not sure if this is what is expected.

    Please advise the next step.

    Many thanks,

    David




    Aoran Bai <[email protected]>
    02/05/2009 06:53 PM

    To
    <[email protected]>, Young Andrew <[email protected]>, <[email protected]>, Biggins Noel <[email protected]>, <[email protected]>, "[email protected]" <[email protected]>, <[email protected]>, <[email protected]>, <[email protected]>, Reyes Noel <[email protected]>, <[email protected]>
    cc
    Subject
    RE: wardend52 has sent a question about item #370177729711, that ended on 22-Apr-09 23:26:58 AEST - AIR-COOLE MOTOR SPINDLE 1.5KW AND MATCHING INVERTER t






    We are your spindle seller. The following is the spindle guide you how to use and what should be note
    1. I drafed the wire picture to you in this email attachment
    2. I added the manual in this email for you
    3. Note:I should tell you this is the high speed spindle, so please do not let the speed less than 100HZ or the fan in the spindle will in low speed, in that way, may be the fan can not make the spindle cool. It will lead spindle broken.
    4. I just tell you how to set up vfd as following
    Firstly, adjust the PD013 to 8
    Secondly, adjust the PD005 to 400
    Thirdly, adjust the PD004 to 400
    Finally, adjust the PD003 to 400
    Note: you should set PD013, PD005 ,PD004,PD003 in order.


    Regards Aoran

    Cheers
    Noel

  13. #57
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default Another Huanyang is spinning.

    Hi Guys

    Got my 2.2kw unit today and have fired it up without any dramas. First thing I did was write down all the parameters that were programmed into teh VFD as shipped. Not all were the same as shown in the manual so assume nothing.

    Things that I had to change:

    PD142 = 7.5 (not 11 as was the default) This is the motor max current... kinda important
    PD144 = 3000 (not 1440) this will get the speed display right

    Other things I noticed was that this VFD is running V1.0 not 2.0 (shows on bootup and PD 181)

    Under no load conditions the motor draws less than 1amp at 24k RPM. Water runs cold... not surprising under no load (would have been less happy if it got hot)

    PD003 gets over written by the front panel so its not really important to set this to 400 (unless you want to start at that speed.

    I've decrease ramp up PD014 to 5.0s and ramp down PD015 to 0.8s..... faster stops than this cause E.oU.d error (bus overvoltage I assume). Again these are just play values as I am not spinning a tool which will increase the inertia.

    For me I feel I will explore a braking resistor as I want the spindle to pull up hard under estop conditions.

    Took me a while to figure out the front panel switches.


    So far very happy camper


    Cheers

    PS My nipples were fine but I would pack it differently. Really should put a stiff cardboard tube over them prior to wrap up. If they use it as a football they will still get damaged as shipped.

  14. #58
    Join Date
    Mar 2007
    Location
    Melbourne - Mexico
    Posts
    655

    Default

    Excellent news mark with the spindle. Yes packaging is crap, but my nipples will never be a problem to remove as I used the proper sealant for water connections which allows easier removal.

    When you figure out the braking, can you post the values and update here.

    has anyone been able to get version 2 of the code? My unit is also running V1

  15. #59
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default

    The values for the braking resistor is on page 76 of the manual... which I don't have an english translation for. As Chai said in his email the value for a HY0D223B is 70ohms 300 W I have no idea what the 10%ED column with a 125 value stands for but will talk with some sparkies today to see if it is the same in another type of VFD we run here.

    I was running a small aquarium pump (just a trickle) and the water only started to get luke warm when I ran the motor at 1000rpm for an extended time (10minutes plus)

    Again in this no load situation I'm only driving the motor very gently so under load will be different I'm sure. Does however make me think that the cooling required will be quite modest.

    I've put a shout out on the CNC Zone to get pages 70 onward in english as they contain all the error codes and troubleshooting.

    Cheers

    Mark

  16. #60
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default

    To pass on some experiences in shutting down the spindle I will throw this in as food for thought.
    On my first machine I operated a router with a solid state relay and worked this in to the parallel port so the router turned on and off with the gcode. Great no problems until one day a job went wrong and I hit the reset button. The spindle stopped but this wasn't great as the machine kept operating for a short (very short) period while the buffer emptied. It is not a good thing to have a cutter 5mm into a job and have the machine still driving it. It would have been better for the machine and me if the spindle was still operating during shut down. The job is more than likely ruined if you are hitting the reset anyway so better not to add to your woes with possible machine and/or spindle repairs.
    It might be better if the spindles just power down rather than brake.
    Cheers,
    Rod

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